Observation of the starry sky with telescopes and binoculars on the obseratory area.

Individual hike on the Eifel loop "Through the Auelbach Valley" with mulled wine stands along the route.

Guided tours to the volcanic lakes of the Eifel - Today's Maar: Jungferweiher and Ulmener Maar-Stollen

That was hard work with hard stones - On the way to work with great-grandad Johann, we explore the Arensberg and its surroundings together. Among other things, we look at how the mystical tunnel was created and together we go in search of clues as to how mining took place here. A walk through the volcano from a new perspective, with exciting stories and games for young and old. Price: €8.00 per person, family price: €30.00 (2 adults + 2 children), groups on request Info/ Registration: Anne Petry Tel.: 0151 55953286, Mail: petryanne@web.de Meeting point: Arensberg car park, Basaltstraße, 54578 Walsdorf-Zilsdorf

"Heimatfest" of City of Adenau.Traditional "Heimatfest" with many attractions and rides for kids and grown-ups.The music bands entertain with a manifold program and the shops are opened.